Patents-Review.com
ClassID:

143968 ⎘

F04D9/001 - CPC Classification

Classification description:

Priming; Preventing vapour lock Preventing vapour lock

Sub-classes:
Recent Application in this class:
#1
20240426302
2024-12-26

INTAKES AND GAS SEPARATORS FOR DOWNHOLE PUMPS, AND RELATED APPARATUSES AND METHODS

 #2
20240229796
2024-07-11

INTAKES AND GAS SEPARATORS FOR DOWNHOLE PUMPS, AND RELATED APPARATUSES AND METHODS

 #3
20240133381
2024-04-25

Intakes and gas separators for downhole pumps, and related apparatuses and methods

 #4
20210348612
2021-11-11

Electric submersible pump with discharge recycle

 #5
20210285406
2021-09-16

Motor vehicle auxiliary power unit vacuum pump

 #6
20190271318
2019-09-05

Centrifugal pump flow modifier

 #7
20190078959
2019-03-14

Solenoid Current Monitoring Method for Leak Detection and Vapor Lock

 #8
20190024491
2019-01-24

Apparatuses and systems for regulating flow from a geological formation, and related methods

 #9
20190017518
2019-01-17

Fluid moving apparatus and system for an electric submersible gas separator

 #10
20180371884
2018-12-27

Method for producing from gas slugging reservoirs

 #11
20180073509
2018-03-15

Centrifugal pump assembly

 #12
20180037475
2018-02-08

Liquid treatment apparatus comprising an air trap vessel

 #13
20130022447
2013-01-24

Centrifugal pump for de-watering

 #14
20120283950
2012-11-08

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

 #15
20120195770
2012-08-02

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

 #16
20120027630
2012-02-02

Vibration method to detect onset of gas lock

 #17
20110240317
2011-10-06

Integrated controls for a fire supression system

 #18
20110229345
2011-09-22

Pumping system for pumping liquid from a lower level to an operatively higher level

 #19
20110106452
2011-05-05

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

 #20
20100300119
2010-12-02

Pump for supplying cryogenic coolant

 #21
20100284826
2010-11-11

Mini-surge cycling method for pumping liquid from a borehole to remove material in contact with the liquid

 #22
20100166570
2010-07-01

Method and apparatus for detecting the fluid condition in a pump

 #23
20100150737
2010-06-17

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

 #24
20090260836
2009-10-22

Integrated controls for a fire suppression system

 #25
20090250210
2009-10-08

Device and method for gas lock detection in an electrical submersible pump assembly

 #26
20090000789
2009-01-01

Device, method and program product to automatically detect and break gas locks in an ESP

 #27
20080067116
2008-03-20

Determination and control of wellbore fluid level, output flow, and desired pump operating speed, using a control system for a centrifugal pump disposed within the wellbore

 #28
20050069421
2005-03-31

Fast pump priming